“We obviously have this gate to another dimension, which is still very much open in the town of Hawkins. And a lot of questions there in terms of, if the Monster is dead, was it a singular monster? What else could be out there? We really don’t go in there much until they go in to find Will at the end. So we’ve opened up this doorway, and to us it’s exciting to talk about, like, what else is behind there? There’s a lot more mystery there to be solved.”